00815naa#a2200193#i#450# EN\\bibl\100933 20251029032107.3 1994-4683 20251027b2025####ek#y0engy0150####ca RU The content of group and team technical-tactical training of 17-18-year-old football defenders taking into account the diversity of their defensive functions Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Футбол. 796.332 Методические основы видов спорта. 77.29 grnti Korzun Dmitriy Leonidovich Valeev Il'sur Al'bertovich uchzapiski.lesgaft.spb.ru